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Костянтин

Fullstack-розробник

Considering positions:
Fullstack-розробник, Fullstack-програміст, Javascript-програміст, Node. js-розробник, C# програміст, Python-програміст, редактор, менеджер з продажу, Front-end програміст, інженер-програміст
City of residence:
Vinnytsia
Ready to work:
Kyiv, Lviv, Mykolaiv (Lviv Region), Odesa, Remote, Vinnytsia, Zhytomyr

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Trotskyi Kostiantyn
Email: [open contact info](look above in the "contact info" section) | Phone:
Professional Summary
Full-stack developer with experience in creating both web and desktop applications. I work with JavaScript/TypeScript stack on Node.js, Express, React, and Next.js, using Redux for state management and Prisma for interacting with SQL-type databases. I have experience in developing commercial projects (one sold, another in development) and my own technical solutions.
At the desktop development level, I work with C++, C#, .NET (6/8) and Windows Forms/WPF, and I also have experience creating educational projects in Unreal Engine 5. I actively use Git and GitHub for version control and teamwork.
Core skills & Technologies
Web Development: JavaScript, TypeScript, Node.js, Express, React, Next.js, Redux, Tailwind CSS, Prisma, REST API, EJS, JWT, Axios, Python, FastAPI
Databases: SQL, MySQL, SQLite
Desktop Development: C++, C#, .NET 6/8, Windows Forms, WPF, Unreal Engine 5
Other: PHP (basic level), Git/GitHub, JSON, API integration, Async/Await
Languages: Ukrainian (Native), English (B1)
Work history
Full-Stack Developer — “Jumanji” Platform
Freelance / Personal Project
Jan 2024 – Dec 2024
• Developed a fully functional web platform for ordering food and drinks with client, operator, and administrative sections.
• Front-end: built on React + TypeScript + Redux, using Next-like routing architecture.
• Back-end: implemented on Node.js (Express + TypeScript) with Prisma ORM for interacting with the MySQL database, including schemas for users, orders, and menu items.
• Developed a REST API with JWT authorisation and a role system (‘client’, “operator”, ‘admin’).
• Optimised query logic and database structure for faster order processing.
• Integrated a Telegram bot (Node.js + Telegraf) to notify operators of new orders and update statuses in real time.
• Used Git/GitHub for version control and maintaining separate repositories:
JumanjiFront — client side
JumanjiBeck — server logic and API
JumanjiBOT — Telegram bot for operators
• Ensured consistent architecture and code structure across all system components.
Education
National University Odesa Polytechnic Bachelor’s Degree in Software Engineering (Remote) | Aug 2026 – Present
Oleksandriia Polytechnic Faculty College Diploma with Honors, Software Engineering | Sep 2022 – Jul 2026

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